MS
Madeline Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Madeline Smith across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Smith |
| Given Name | Madeline |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | RIDLEY PARK BORO |
| 1935 Residence (County) | DELAWARE |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Ridley Park Boro |
| Est. Birth Year | ~1923 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Madeline | Age | Birth yr |
|---|---|---|---|---|
| James Smith | Son | — | 31 | ~1909 |
| James Smith | Head | — | 56 | ~1884 |
| Madeline Smith | Daughter | — | 17 | ~1923 |
| Anna Smith | Spouse | — | 52 | ~1888 |
| Catherine Smith | Daughter | — | 28 | ~1912 |
| Edwin Smith | Son | — | 20 | ~1920 |
| Teresa Smith | Daughter | — | 15 | ~1925 |
| George Smith | Son | — | 33 | ~1907 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 8
Delaware, Pennsylvania · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Madeline J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 17
Delaware-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | Smith |
| Given Name | Madeline |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | RIDLEY PARK BORO |
| 1935 Residence (County) | DELAWARE |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Madeline Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Madeline Smith
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Teresa Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Smith
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Smith
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Smith
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03495-00651)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Smithers | 33 | Head | Lawyer | Virginia |
| 2 | Dorothea Smithers | 31 | Wife | — | New York |
| 3 | Theodore Smithers | 6 | Son | — | Pennsylvania |
| 4 | Mary A. Mccallen | 62 | Head | — | Pennsylvania |
| 5 | William J. Mccallen | 31 | Son | Truck Driver | Pennsylvania |
| 6 | Mary J. Foley | 39 | Daughter | Stenographer | Pennsylvania |
| 7 | James J. Foley | 40 | Son-in-law | Machinist | Pennsylvania |
| 8 | Catherine Sullivan | 36 | Daughter | — | Pennsylvania |
| 9 | Joseph C. Sullivan | 40 | Son-in-law | Clerk | Pennsylvania |
| 10 | Mary P. Sullivan | 12 | Daughter | — | Pennsylvania |
| 11 | Robert J. Sullivan | 9 | Son | — | Pennsylvania |
| 12 | James F. Sullivan | 7 | Son | — | Pennsylvania |
| 13 | William Weber | 26 | Head | Driver Salesman | Pennsylvania |
| 14 | Regina Weber | 27 | Wife | — | New Jersey |
| 15 | William Weber | 6 | Son | — | New Jersey |
| 16 | Barbara Weber | 4 | Daughter | — | Pennsylvania |
| 17 | Fredrick B. Mailey | 51 | Head | Manufacturers Agent | Massachusetts |
| 18 | Ethel L. Mailey | 46 | Wife | — | Maryland |
| 19 | Richard B. Mailey | 22 | Son | Electricians Helper | Maryland |
| 20 | Charles Decker | 58 | Head | Sales Clerk | Missouri |
| 21 | Rae Decker | 56 | Wife | — | New Jersey |
| 22 | Edith Moyer | 54 | Head | Office Manager | Pennsylvania |
| 23 | Eugenia Moyer | 77 | Mother | — | Pennsylvania |
| 24 | James Moyer | 22 | Nephew | Runner | Pennsylvania |
| 25 | Grace D. Kiner | 48 | Lodger | Typist | New Jersey |
| 26 | Otto Yefz | 57 | Head | Piano Manufacturer | Pennsylvania |
| 27 | Margaret Yefz | 57 | Wife | — | Pennsylvania |
| 28 | Loretta Yefz | 25 | Daughter | Beauty Shop | Pennsylvania |
| 29 | Edwin Yefz | 22 | Son | Finisher | Pennsylvania |
| 30 | Alvin Yefz | 21 | Son | Helpers Street | Pennsylvania |
| 31 | Paul Yefz | 18 | Son | Apprentice | Pennsylvania |
| 32 | Anna C. Hughes | 53 | In-law | Dressmaker | Pennsylvania |
| 33 | James Smith | 56 | Head | Repairman | Eire |
| 34 | Anna Smith | 52 | Wife | — | Eire |
| 35 | George Smith | 33 | Son | Police Officer | Pennsylvania |
| 36 | James Smith | 31 | Son | Police Extra | Pennsylvania |
| 37 | Catherine Smith | 28 | Daughter | — | Pennsylvania |
| 38 | Edwin Smith | 20 | Son | Pattern Maker Apprentice | Pennsylvania |
| 39 | Madeline Smith THIS PERSON | 17 | Daughter | — | Pennsylvania |
| 40 | Teresa Smith | 15 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)